<div class="col-md-2">
    <div class="list-group">
        <a href="" class="list-group-item disabled">管理面板</a>
        <a href="<?php echo site_url('admin/site_settings'); ?>" class="list-group-item">基本设置</a>
        <a href="<?php echo site_url('admin/users/index'); ?>" class="list-group-item">用户</a>
        <a href="<?php echo site_url('admin/nodes'); ?>" class="list-group-item">版块节点</a>
        <a href="<?php echo site_url('admin/topics'); ?>" class="list-group-item">讨论话题</a>
        <a href="<?php echo site_url('admin/info_art/index'); ?>" class="list-group-item">信息管理</a>
        <a href="<?php echo site_url('admin/flash/index'); ?>" class="list-group-item">轮播图管理</a>
        <a href="<?php echo site_url('admin/teacher/index'); ?>" class="list-group-item">教师风采</a>
        <!--<a href="<?php echo site_url('admin/links'); ?>" class="list-group-item">链接</a>-->
        <a href="<?php echo site_url('admin/page'); ?>" class="list-group-item">单页面</a>
        <a href="<?php echo site_url('admin/db_admin/index'); ?>" class="list-group-item">数据库管理</a>

    </div>
</div><!-- /.col-md-4 -->